Description “T” style free flow vent is made of cast iron with 8 mesh galvanized screens. Openings directed downward prevent water and contaminants from entering the vent line. Available in cast iron black or galvanied. NPT thread is standard. Also available in Slip on style with set screw. Recommended Accessories: AST Overfill Prevention Valve AST Spill Containment Box AST Sight Gauge AST Audible Alarm
